/* ========================================
   COMPONENTS.CSS - 元件樣式
   Header、Footer、Button、Card 等
   ======================================== */

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  height: 4rem;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%; ;
  /* max-width: 1440px; */
  height: 4rem;
  padding: 0.5rem 1rem;
  margin-inline: auto;
}

@media (max-width: 1440px) {
  .header-inner {
    width: 100%;
    padding: 0.5rem 1.5rem;
  }
}

@media (max-width: 767px) {
  .header-inner {
    width: 100%;
    padding: 0.5rem 1rem;
  }
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  text-decoration: none;
  font-family: var(--font-sans);
}

.logo:hover {
  color: var(--color-primary);
}

.logo__icon {
  width: 100%;;
  height: 100%;
  object-fit: cover;
  flex-shrink: 0;
}

/* Header Actions */
.header-actions {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.header-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  width: 24px;
  height: 24px;
}

.header-menu-toggle span {
  width: 20px;
  height: 2px;
  background-color: var(--color-dark);
  transition: all var(--transition-base);
}

@media (max-width: 767px) {
  .header-menu-toggle {
    display: flex;
  }
}

/* ===== BUTTON ===== */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-md);
  font-weight: var(--fw-semibold);
  width: 10rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  font-family: inherit;
}

/* Primary Button */
.button--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.button--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* Accent Button */
.button--accent {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.button--accent:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-2px);
}

/* Outline Button */
.button--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.button--outline:hover {
  background-color: var(--color-primary-light);
}

/* ===== FOOTER ===== */
.site-footer {
  background-color: var(--color-white);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding-block: var(--space-8);
}

.footer-container {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (max-width: 767px) {
  .footer-container {
    padding-inline: var(--space-4);
  }
}

.footer-content {
  display: grid;
  grid-template-columns: 200px 1fr 150px;
  gap: var(--space-12);
  margin-bottom: var(--space-8);
}

@media (max-width: 1199px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 767px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.footer-logo {
  display: flex;
  align-items: flex-start;
}

@media (max-width: 767px) {
.footer-logo {
  justify-content: center; /* 水平 */
  align-items: center;     /* 垂直 */
}
}

.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

@media (max-width: 1199px) {
  .footer-nav {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .footer-nav {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (max-width: 767px) {
.footer-nav-col1 {
  display: none;
}
}

.footer-section__title {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-dark);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-sans);
}

.footer-section__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-section__link {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  transition: color var(--transition-base);
  display: block;
  line-height: 1.5;
}

.footer-section__link:hover {
  color: var(--color-primary);
}

.footer-social-col {
  display: flex;
  align-items: flex-start;
}

@media (max-width: 1199px) {
  .footer-social-col {
    justify-content: flex-start;
  }
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}


.footer-social__link img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}


.footer-divider {
  height: 1px;
  background-color: rgba(0, 0, 0, 0.08);
  margin-block: var(--space-6);
}

.footer-bottom {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  text-align: center;
}

/* ===== ICON BUTTON ===== */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-text);
  font-size: 20px;
  line-height: 1;
  vertical-align: middle; 
}

.icon-btn:hover {
  /* background-color: var(--color-light); */
  color: var(--color-primary);
}

/* Font Awesome Icon 樣式 */
.icon-btn i {
  font-size: 18px;
  display: block;
}



/* ===== STATE & UTILITY ===== */
.is-active {
  color: var(--color-primary);
}

.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.text-primary {
  color: var(--color-primary);
}

.text-accent {
  color: var(--color-accent);
}

/* ===== CAROUSEL — 共用輪播元件 ===== */

/* 圖片堆疊容器 */
.carousel-slides {
  position: relative;
  overflow: hidden;
}

/* 左右切換箭頭 */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(3px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  opacity: 0;
  transition: opacity var(--transition-base), background var(--transition-fast);
  padding: 0;
}

.carousel-slider:hover .carousel-arrow {
  opacity: 1;
}

.carousel-arrow:hover {
  background: rgba(255, 255, 255, 0.42);
}

.carousel-arrow--prev { left: var(--space-3); }
.carousel-arrow--next { right: var(--space-3); }

.carousel-arrow svg {
  width: 18px;
  height: 18px;
  display: block;
  flex-shrink: 0;
}

/* 底部圓點導航 */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  padding-top: var(--space-4);
  list-style: none;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.carousel-dot.is-active {
  background-color: var(--color-primary);
  width: 24px;
  border-radius: 4px;
}


/* ===== PROMO SECTION（共用）：兩張圖左右並排，滿版無 padding ===== */
.promo-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-width: 1280px;
  margin-inline: auto;
  width: 100%;
}

.promo-duo__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  display: block;
}

/* 手機：兩張圖改為上下堆疊 */
@media (max-width: 767px) {
  .promo-duo {
    grid-template-columns: 1fr;
  }
}


/* ===== STATE & UTILITY ===== */
.bg-light {
  background-color: var(--color-light);
}


/* ===== VIDEO MODAL ===== */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.video-modal.is-open {
  display: flex;
}

.video-modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.88);
  cursor: pointer;
}

.video-modal__container {
  position: relative;
  z-index: 1;
  width: min(90vw, 960px);
}

.video-modal__close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: transparent;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-2);
  line-height: 1;
  opacity: 0.8;
  transition: opacity var(--transition-base);
}

.video-modal__close:hover {
  opacity: 1;
}

.video-modal__iframe-wrap {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
}

.video-modal__iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}


/* ===== HAMBURGER NAV MENU ===== */
.nav-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  visibility: hidden;
  pointer-events: none;
}

.nav-menu.is-open {
  visibility: visible;
  pointer-events: auto;
}

/* 背景遮罩 */
.nav-menu__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0);
  transition: background-color 0.3s ease;
  cursor: pointer;
}

.nav-menu.is-open .nav-menu__backdrop {
  background-color: rgba(0, 0, 0, 0.5);
}

/* 側邊面板 */
.nav-menu__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 320px;
  max-width: 90vw;
  height: 100%;
  background-color: var(--color-white);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.nav-menu.is-open .nav-menu__panel {
  transform: translateX(0);
}

/* 面板頂部 */
.nav-menu__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--space-5);
  height: 4rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
}

/* 主導航 */
.nav-menu__nav {
  flex: 1;
  padding-block: var(--space-2);
}

.nav-menu__list {
  list-style: none;
}

.nav-menu__list li {
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

/* 行程分類 主標題（與 nav-menu__link 同字體層級，可點擊收折） */
.nav-menu__category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  font-weight: var(--fw-semibold);
  color: var(--color-dark);
  cursor: pointer;
  user-select: none;
  transition: color var(--transition-base), background-color var(--transition-fast);
}
.nav-menu__category:hover {
  color: var(--color-primary);
  background-color: rgba(0, 0, 0, 0.02);
}
.nav-menu__category::after {
  content: '';
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--transition-base);
  margin-right: 4px;
}
/* 收合狀態 */
.nav-menu__category-wrap.is-collapsed .nav-menu__category::after {
  transform: rotate(-45deg);
}
.nav-menu__category-wrap.is-collapsed .nav-menu__link--sub {
  display: none;
}

/* 導航連結 */
.nav-menu__link {
  display: block;
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  font-weight: var(--fw-semibold);
  color: var(--color-dark);
  text-decoration: none;
  transition: color var(--transition-base), background-color var(--transition-fast);
}

.nav-menu__link:hover {
  color: var(--color-primary);
  background-color: rgba(0, 0, 0, 0.02);
}

/* 行程分類子項目（縮排，字體較小貼合層級） */
.nav-menu__link--sub {
  padding-left: var(--space-8);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--fw-regular);
  letter-spacing: 0.5px;
  color: var(--color-text-light);
}

/* 底部：登入 / 登出 */
.nav-menu__footer {
  padding: var(--space-6);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
}

.nav-menu__auth-btn {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  text-align: center;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity var(--transition-base);
}

.nav-menu__auth-btn:hover {
  opacity: 0.85;
}

.nav-menu__auth-btn--login {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.nav-menu__auth-btn--logout {
  background-color: transparent;
  color: var(--color-text-light);
  border: 1px solid rgba(0, 0, 0, 0.15);
}


/* ===== FORM COMPONENTS（共用表單元件）===== */

/* 欄位包裹 */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* 標籤 */
.form-label {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-dark);
}

/* 文字輸入框 */
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(0, 0, 0, 0.18);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-dark);
  background-color: var(--color-white);
  outline: none;
  transition: border-color var(--transition-base);
}

.form-input:focus {
  border-color: var(--color-primary);
}

.form-input::placeholder {
  color: rgba(0, 0, 0, 0.3);
}

/* Checkbox 列 */
.form-check-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.form-checkbox {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-check-label {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  line-height: 1.6;
}

/* OR 分隔線 */
.form-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: rgba(0, 0, 0, 0.12);
}


/* ===== BUTTON MODIFIERS ===== */

/* 滿版按鈕（表單用）*/
.button--full {
  width: 100%;
}


/* ========================================
   LIGHTBOX — 內文圖片放大彈跳視窗
   ======================================== */

/* 有 lightbox 的內文圖：hover 顯示放大游標 */
.overview-img,
.sight-slide__image,
.hotel-slide__image,
.daily-day__image,
.daily-image-panel__img,
.info-block__image,
.about-section__image,
.food-card__img,
.food-section__hero-img,
.blog-card__img,
.blog-featured__img,
.article-card__image,
.carousel-slider__image {
  cursor: zoom-in;
}

/* 遮罩容器 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* 半透明黑底 */
.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.88);
}

/* 右上角關閉按鈕 */
.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  transition: background 0.2s ease;
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.35);
}

/* 左右切換按鈕（carousel 用） */
.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.75rem;
  height: 2.75rem;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  transition: background 0.2s ease;
}

.lightbox__prev { left: 1rem; }
.lightbox__next { right: 1rem; }

.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(255, 255, 255, 0.35);
}

/* 放大後的圖片 */
.lightbox__img {
  position: relative;
  max-width: min(90vw, calc(100vw - 8rem)); /* 為左右按鈕留空間 */
  max-height: 90vh;
  object-fit: contain;
  z-index: 1;
  display: block;
  border-radius: 2px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
  cursor: default;
}

@media (max-width: 767px) {
  .lightbox__prev,
  .lightbox__next {
    width: 2.25rem;
    height: 2.25rem;
    font-size: 1.6rem;
  }

  .lightbox__img {
    max-width: min(92vw, calc(100vw - 6rem));
  }
}


/* ========================================
   FLOATING WIDGET — 右下角浮動社群 + 回頂
   ======================================== */

.float-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

/* 社群圖示群組（預設折疊） */
.float-social {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s ease, opacity 0.25s ease;
  pointer-events: none;
}

.float-social.is-open {
  max-height: 400px;
  opacity: 1;
  pointer-events: auto;
}

/* P8-84：展開動畫結束後切 overflow visible，讓每顆 button 的 box-shadow 不被裁切
   由 main.js 在 transition 結束（400ms）後加上此 class；收合前先移除 */
.float-social.is-open.shadow-visible {
  overflow: visible;
}

/* 共用圓形按鈕 */
.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  text-decoration: none;
  flex-shrink: 0;
}

.float-btn svg {
  width: 20px;
  height: 20px;
}

.float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.28);
}

/* 各平台顏色 */
.float-btn--email     { background: #3b82f6; color: #fff; }
.float-btn--phone     { background: #ef4444; color: #fff; }
.float-btn--line      { background: #06c755; color: #fff; }
.float-btn--instagram {
  background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
  color: #fff;
}
.float-btn--youtube   { background: #ff0000; color: #fff; }
/* P8-88：第 6 個 — Facebook（後台 settings.socialLinks.facebook 已存在，由 global.js 動態套 href） */
.float-btn--facebook  { background: #1877f2; color: #fff; }

/* 展開/收起 切換按鈕（金色）*/
.float-btn--toggle {
  background: var(--color-primary);
  color: #fff;
}

.float-btn--toggle svg {
  transition: transform 0.3s ease;
}

.float-btn--toggle.is-active svg {
  transform: rotate(45deg);
}

/* 回頂按鈕（深色）— 持續顯示 */
.float-btn--top {
  background: var(--color-dark);
  color: #fff;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}